diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/cpu/x86/smm.h | 3 | ||||
| -rw-r--r-- | src/mainboard/intel/emeraldlake2/mainboard_smi.c | 7 | ||||
| -rw-r--r-- | src/mainboard/samsung/lumpy/mainboard_smi.c | 12 | ||||
| -rw-r--r-- | src/mainboard/samsung/stumpy/mainboard_smi.c | 7 | ||||
| -rw-r--r-- | src/southbridge/intel/bd82x6x/nvs.h | 4 | ||||
| -rw-r--r-- | src/southbridge/intel/bd82x6x/smihandler.c | 21 |
6 files changed, 24 insertions, 30 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index 82a5a1afe4..b52a315017 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -384,4 +384,7 @@ u32 smi_get_tseg_base(void); void tseg_relocate(void **ptr); #endif +/* Get PMBASE address */ +u16 smm_get_pmbase(void); + #endif diff --git a/src/mainboard/intel/emeraldlake2/mainboard_smi.c b/src/mainboard/intel/emeraldlake2/mainboard_smi.c index 340562a0e5..03c505b816 100644 --- a/src/mainboard/intel/emeraldlake2/mainboard_smi.c +++ b/src/mainboard/intel/emeraldlake2/mainboard_smi.c @@ -27,17 +27,12 @@ #include <northbridge/intel/sandybridge/sandybridge.h> #include <cpu/intel/model_206ax/model_206ax.h> -/* The southbridge SMI handler checks whether gnvs has a - * valid pointer before calling the trap handler - */ -extern global_nvs_t *gnvs; - int mainboard_io_trap_handler(int smif) { switch (smif) { case 0x99: printk(BIOS_DEBUG, "Sample\n"); - gnvs->smif = 0; + smm_get_gnvs()->smif = 0; break; default: return 0; diff --git a/src/mainboard/samsung/lumpy/mainboard_smi.c b/src/mainboard/samsung/lumpy/mainboard_smi.c index 2d396b03b8..4e73a57938 100644 --- a/src/mainboard/samsung/lumpy/mainboard_smi.c +++ b/src/mainboard/samsung/lumpy/mainboard_smi.c @@ -29,17 +29,12 @@ #include <ec/smsc/mec1308/ec.h> #include "ec.h" -/* The southbridge SMI handler checks whether gnvs has a - * valid pointer before calling the trap handler - */ -extern global_nvs_t *gnvs; - int mainboard_io_trap_handler(int smif) { switch (smif) { case 0x99: printk(BIOS_DEBUG, "Sample\n"); - gnvs->smif = 0; + smm_get_gnvs()->smif = 0; break; default: return 0; @@ -59,7 +54,6 @@ static u8 mainboard_smi_ec(void) { u8 cmd; u32 pm1_cnt; - extern u16 pmbase; /* Set in southbridge SMI handler */ cmd = read_ec_command_byte(EC_GET_SMI_CAUSE); @@ -68,9 +62,9 @@ static u8 mainboard_smi_ec(void) printk(BIOS_DEBUG, "LID CLOSED, SHUTDOWN\n"); /* Go to S5 */ - pm1_cnt = inl(pmbase + PM1_CNT); + pm1_cnt = inl(smm_get_pmbase() + PM1_CNT); pm1_cnt |= (0xf << 10); - outl(pm1_cnt, pmbase + PM1_CNT); + outl(pm1_cnt, smm_get_pmbase() + PM1_CNT); break; } diff --git a/src/mainboard/samsung/stumpy/mainboard_smi.c b/src/mainboard/samsung/stumpy/mainboard_smi.c index 0b3024bad5..660bb31cd4 100644 --- a/src/mainboard/samsung/stumpy/mainboard_smi.c +++ b/src/mainboard/samsung/stumpy/mainboard_smi.c @@ -30,17 +30,12 @@ /* Include romstage serial for SIO helper functions */ #include <superio/ite/it8772f/early_serial.c> -/* The southbridge SMI handler checks whether gnvs has a - * valid pointer before calling the trap handler - */ -extern global_nvs_t *gnvs; - int mainboard_io_trap_handler(int smif) { switch (smif) { case 0x99: printk(BIOS_DEBUG, "Sample\n"); - gnvs->smif = 0; + smm_get_gnvs()->smif = 0; break; default: return 0; diff --git a/src/southbridge/intel/bd82x6x/nvs.h b/src/southbridge/intel/bd82x6x/nvs.h index 3fa0093992..b8506d4db4 100644 --- a/src/southbridge/intel/bd82x6x/nvs.h +++ b/src/southbridge/intel/bd82x6x/nvs.h @@ -152,3 +152,7 @@ typedef struct { chromeos_acpi_t chromeos; } __attribute__((packed)) global_nvs_t; +#ifdef __SMM__ +/* Used in SMM to find the ACPI GNVS address */ +global_nvs_t *smm_get_gnvs(void); +#endif diff --git a/src/southbridge/intel/bd82x6x/smihandler.c b/src/southbridge/intel/bd82x6x/smihandler.c index 250035c4c3..8fea33f5da 100644 --- a/src/southbridge/intel/bd82x6x/smihandler.c +++ b/src/southbridge/intel/bd82x6x/smihandler.c @@ -25,7 +25,6 @@ #include <arch/romcc_io.h> #include <console/console.h> #include <cpu/x86/cache.h> -#include <cpu/x86/smm.h> #include <device/pci_def.h> #include <cpu/x86/smm.h> #include <elog.h> @@ -44,15 +43,22 @@ /* While we read PMBASE dynamically in case it changed, let's * initialize it with a sane value */ -u16 pmbase = DEFAULT_PMBASE; -u8 smm_initialized = 0; +static u16 pmbase = DEFAULT_PMBASE; +u16 smm_get_pmbase(void) +{ + return pmbase; +} + +static u8 smm_initialized = 0; /* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located * by coreboot. */ -global_nvs_t *gnvs = (global_nvs_t *)0x0; -void *tcg = (void *)0x0; -void *smi1 = (void *)0x0; +static global_nvs_t *gnvs = (global_nvs_t *)0x0; +global_nvs_t *smm_get_gnvs(void) +{ + return gnvs; +} #if CONFIG_SMM_TSEG static u32 tseg_base = 0; @@ -523,10 +529,7 @@ static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state return; } gnvs = *(global_nvs_t **)0x500; - tcg = *(void **)0x504; - smi1 = *(void **)0x508; smm_initialized = 1; - printk(BIOS_DEBUG, "SMI#: Setting up structures to %p, %p, %p\n", gnvs, tcg, smi1); break; #if CONFIG_ELOG_GSMI case ELOG_GSMI_APM_CNT: |